This thing has split serifs all over the reverse. Didn't seem to mach CC, Wex or VV. What say you. Lou
DDD die deterioration doubling,light diffusion tricks.Its still a pretty nice looking early zinc so keep if you like.
I have seen this before it is a combination of the luster being flattened on the high points of the devices and plating issues. Some back in the day called it ejection doubling. It is simply DDD though.